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Unformatted text preview: α - brightest star, β - next, γ- next, δ- etc., e.g., ., α Orionis) Asterism: perceived pattern (ex. Great Bear or Big Dipper) Use the Big Dipper (Ursa Major, Big Bear) to find the North Star (Polaris); use Pointer Stars Polaris is at the end of the Little Dipper ( Ursa Minor , Little Bear). Cassiopeia looks like an “M” (near Polaris). The stars seem to revolve about Polaris every 24 hours as Earth rotates Polaris seems to stay in the same place because it is very close to the NCP At the North Pole and South Pole : every star is circumpolar...
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- Fall '09
- Astronomical, Astronomical unit, Ursa Major, pointer stars